It used to have 7,9x57 in its licence, but around 30 years ago, my father should brought this rifle to the gunsmith that he confirmed that has the "civilian" caliber 8x57 IS. And that caliber is in the certificate now. But we know that is actually the same.
Close view to the scope (4x32) and bolt. It stil has "dirty birds" on some parts.

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»You're a disgrace. I'd like to know how you got to be a Captain, anyway. »Yossarian: »You promoted me.« Colonel Cathcart: » That has got nothing to do with it.«